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单词 sulfide
释义 sul·fide
I. noun
or sul·phide \ˈsəlˌfīd, -lfə̇d\
(-s)
Etymology: International Scientific Vocabulary sulf- + -ide; probably originally formed as German sulfid
1. : a compound of sulfur analogous to an oxide with sulfur in place of oxygen:
 a. : a binary compound of sulfur usually with a more electropositive element : a salt of hydrogen sulfide
  < sulfides of iron >
  < the metallic sulfides except those of the alkali metals are usually insoluble in water and occur in many cases as minerals >
  — compare disulfide 1, polysulfide
 b. : a compound of sulfur with more than one element
  < many minerals (as tetrahedrite) are double or multiple sulfides >
  — compare sulfosalt
2. : a compound of sulfur analogous to an ether with sulfur in place of oxygen : an ester of hydrogen sulfide
 < ethyl sulfide (C2H5)2S >
— called also organic sulfide, thioether; compare disulfide 2, mustard gas
II. transitive verb
or sulphide \“\
(-ed/-ing/-s)
: to treat with or convert into a sulfide — compare xanthate
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更新时间:2024/9/22 11:19:44